Distance engineering system for robotic applicationsSell, RaivoProceedings of International Conference Mechatronic Systems and Materials : Vilnius, Lithuania, 22-25 October 20092009 / p. 107-108 https://www.academia.edu/23892435/Distance_Engineering_System_for_Robotic_Applications

Universal navigation algorithm planning platform for unmanned systemsSell, Raivo; Leomar, PriitProceedings of International Conference Mechatronic Systems and Materials : Vilnius, Lithuania, 22-25 October 20092009 / p. 63-64 https://www.researchgate.net/publication/243762582_Universal_Navigation_Algorithm_Planning_Platform_for_Unmanned_Systems